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地球学报 2012
北吕宋岛菲律宾活动带蛇绿岩及其上覆浊积岩的放射虫研究新进展Keywords: PhilippineMobileBelt,Radiolarianfauna,OphioliticComplex,Turbidites Abstract: ThebasementofthePhilippineMobileBelt(PMB)ismainlycomposedofophiolitesthataremostlyoverlainbyPaleogenetoMioceneturbiditesincentralLuzon.ToclarifythegeologicaldevelopmentofthePMBwithrespecttotheinitialstageofthearcvolcanism(eg.Yumuletal.,2003,2008;DimalantaandYumul,2003;Suzukietal.,2011),radiolariandatingwasexaminedinsiliceoussedimentsassociatedwiththeophiolitesandturbidites.ThesampleswerecollectedfromsitesidentifiedwiththeZambalesandMontalbanophiolites,basictuffphyllitesinNWDin-galan,andtheiroverlyingformations.
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